U.
Correct. Diagonal arrow pointing to upper right and lower left.
Wrong. The correct shape could also be described as a crooked stack of triangles?
Correct. Deselect the choice you made when I said diagonal arrow pointing to the upper right and lower left.
Resembles a torn box.
Wrong. Deselect the choice you made when I said torn box.
Find a large rectangle with a smooth right side.

Outcome: successful
Speaker comments: Had to be directed to deselect confirmed wrong choices.